Laker Incorporated$$s fiscal year$-$end is December $31,2024.$ The following is an adjusted trial balance as of December $31.$

Accounts Debit Credit

Cash $$10,300$

Supplies $30,500$

Prepaid Rent $21,500$

Accounts Payable $$1,300$

Notes Payable $13,000$

Common Stock $31,500$

Retained Earnings $7,300$

Dividends $2,300$

Service Revenue $55,700$

Salaries Expense $18,300$

Advertising Expense $11,300$

Rent Expense $8,300$

Utilities Expense $6,300$

Totals $$108,800$ $$108,800$

Required:

$1.$ Prepare the necessary closing entries.

$2.$ Calculate the ending balance of Retained Earnings.

$3.$ Prepare a post$-$closing trial balance